(19)
(11) EP 2 215 647 A2

(12)

(88) Date of publication A3:
22.10.2009

(43) Date of publication:
11.08.2010 Bulletin 2010/32

(21) Application number: 08806729.3

(22) Date of filing: 07.10.2008
(51) International Patent Classification (IPC): 
H01J 41/06(2006.01)
(86) International application number:
PCT/GB2008/050913
(87) International publication number:
WO 2009/063233 (22.05.2009 Gazette 2009/21)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 12.11.2007 GB 0722063

(71) Applicant: Edwards Limited
Manor Royal Crawley West Sussex RH10 9LW (GB)

(72) Inventor:
  • KEY, Matthew
    East Sussex BN22 9BA (GB)

(74) Representative: Clark, Charles Robert 
Edwards Limited Intellectual Property Manor Royal
Crawley, West Sussex RH10 9LW
Crawley, West Sussex RH10 9LW (GB)

   


(54) IONISATION VACUUM GAUGES AND GAUGE HEADS